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232021230 = 23572634201
BaseRepresentation
bin11011101010001…
…01110011101110
3121011120220021220
431311011303232
5433344134410
635005004210
75515101510
oct1565056356
9534526256
10232021230
11109a73a91
1265853666
13390b928c
1422b59bb0
1515582070
hexdd45cee

232021230 has 64 divisors (see below), whose sum is σ = 638972928. Its totient is φ = 52819200.

The previous prime is 232021213. The next prime is 232021241. The reversal of 232021230 is 32120232.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53130 + ... + 57330.

It is an arithmetic number, because the mean of its divisors is an integer number (9983952).

Almost surely, 2232021230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232021230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319486464).

232021230 is an abundant number, since it is smaller than the sum of its proper divisors (406951698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

232021230 is a wasteful number, since it uses less digits than its factorization.

232021230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4481.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 232021230 is about 15232.2431046777. The cubic root of 232021230 is about 614.4821074638.

Adding to 232021230 its reverse (32120232), we get a palindrome (264141462).

The spelling of 232021230 in words is "two hundred thirty-two million, twenty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 263 526 789 1315 1578 1841 2630 3682 3945 4201 5523 7890 8402 9205 11046 12603 18410 21005 25206 27615 29407 42010 55230 58814 63015 88221 126030 147035 176442 294070 441105 882210 1104863 2209726 3314589 5524315 6629178 7734041 11048630 15468082 16572945 23202123 33145890 38670205 46404246 77340410 116010615 232021230